/*
 * Copyright 2017-2020 original authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.micronaut.docs.factories.nullable;

import io.micronaut.context.annotation.EachBean
import io.micronaut.context.annotation.Factory
import io.micronaut.context.exceptions.DisabledBeanException

// tag::class[]
@Factory
class EngineFactory {

    @EachBean(EngineConfiguration)
    Engine buildEngine(EngineConfiguration engineConfiguration) {
        if (engineConfiguration.enabled) {
            (Engine) { -> engineConfiguration.cylinders }
        } else {
            throw new DisabledBeanException("Engine configuration disabled")
        }
    }
}
// end::class[]
